The Internet and WWW: Foundations BMGT 484 Class #2
Teams announced Today s plan Lecture: Internet history and basic concepts Practical assignment Getting Your Domain exercise
A brief summary of last class quiz The Long Tail'' - a large number of products with low sales volume can collectively make up a sizable market
Meet Team Members
Next class Thursday, Feb 2 nd TEAM WORK ON PROJECT INTRODUCTIONS NO LECTURE
What is the difference between Internet and the WWW? Internet is an interconnected network of thousand of networks and millions of computers (referred to as hosts) WWW is one of Internet s most popular services, providing access to billions of Web pages Examples of Internet but not WWW apps?
How big is the Internet?
Internet Population by Country
A brief history of the Internet Innovation Phase Institutional Phase Commercialization Phase
How was it created? Innovation Phase (1961-1974) Military funding Original purpose of Internet was linking large mainframe computers on different college campuses DOD contributed $1 million to develop it into a robust military communication system that could withstand nuclear war created ARPAnet
UCLA-UCSB-Stanford-Utah 1969 1970 1972 1974
What came next? Institutional Phase (1975-1995) First personal (home) computers by Altair, Apple and IBM In 1986, NSF assumed responsibility for development of civilian Internet Internet is used primarily by universities, libraries and government.
Where did it go from there? Commercialization Phase (1995-present) 1995 is year that first fully commercial civilian Internet is born Network Solutions is given a monopoly to assign Internet addresses 1998 Governance over domain names and addresses passes to a private nonprofit international organization (ICANN) (will talk about domain name registrations in details later)
WWW core technologies URL (Uniform Resource Locator) components HTTP (HyperText Transfer Protocol) HTML (HyperText Markup Language) Client Server Architecture
URL structure Protocol - first set of letters at the start of every Web address, followed by the domain name. Domain name specifies the organization s server computer that is housing the document Resource location on server http://www.admissions.umd.edu/academics/majors.php
What s the difference between the domain name and the URL? Domain names is the IP address expressed in natural language www.rhsmith.umd.edu ping: IP Address: 129.2.112.14 URL is the address used by a Web browser to identify the location of content on the WEB IPv6
http://www.emodeler.us Web Page - HTML
Client Server Architecture 128.8.237.77 UMD Lab PC request response www.umd.edu 128.8.237.77 DNS - Domain Name Server
Web Browsers In 1993, Marc Andreesen (while CS undergrad at Urbana-Champaign) and Eric Bina create first graphical Web browser called Mosaic. Moves to California and launches Netscape Inc. First commercial Web browser-mozilla/netscape becomes available Netscape Inc goes public in 1995, while Microsoft enters browsers market by licensing Spyglass Mosaic code and building IE Browser wars IE integration with Windows Open source Mozilla Firefox released in 2004? 2008
Web Browsers Market Share
Get large or get lost
Dot-com bubble: Get large or get lost Fascination with the web led to an infusion of investment capital Aggressive battle for customers Burst on March 10, 2000 United States v. Microsoft Massive sell orders for major high tech stocks Spending on the Y2K switchover Hiring freezes, layoffs
Getting Domain Exercise
Domain Name brief intro Definition: Domain Name - the unique name that identifies an Internet site. http://www.facebook.com/ Good domain names: Easy to remember Catchy Remind the Customer of your product or service Easy to spell Extensions:.com is a good choice for businesses.biz is gaining popularity and may have more offerings.net often used for forums.org is well known for organizations such as clubs Pricing and Availability check: many options (e.g. www.domize.com)
Getting Domain Exercise 1. Choose one of the following 3 types of businesses: Personal Injury Lawyer Debt consolidation Auto insurance 2. Come up with the domain name, which is easy to remember, catchy, related to your product, and easy to spell. You should think of.com domains. 3. Check availability (hint: use any registrar, like www.domize.com) 4. If your domain is not available repeat steps 2 and 3 5. If domain is available: shop around different registrars and find 3 best offers: price, duration, extras (hint: e.g. use google search for cheap domain registration to find registrars)